It is a photo of a Christian church covered in white. Church is a holy place for Christianity (and for other religions as well), so I though the colour white (suggesting purity, holiness, etc.) goes on well with the meanings that churches have.
Winter Walk II - a man and his dog:)
I actually used to walk every day on a path like this from my apartment to my job in Sweden. In the winter, this was my morning walk. The snow never melted. It was bliss.